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[Bug gas/28699] Bad interaction between .loc, .byte causes incorrect DWA
From: |
amodra at gmail dot com |
Subject: |
[Bug gas/28699] Bad interaction between .loc, .byte causes incorrect DWARF line table, causes corruption under gdb |
Date: |
Wed, 15 Dec 2021 11:41:47 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=28699
Alan Modra <amodra at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |INVALID
Status|UNCONFIRMED |RESOLVED
--- Comment #1 from Alan Modra <amodra at gmail dot com> ---
".byte xx" is not an instruction as far as gas is concerned, it's just data.
The instruction gas saw was "movq (0x30),%rax" and I believe it is quite
correct to emit dwarf line info for that instruction.
Write "movq gs:0x30,%0" if you want this to work.
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